Abstract
ABSTRACTObjective: To identify the prevalence of physical inactivity in adolescent students in the city of Porto Velho, RO, Northern Brazil, and its associated factors.Methods: School-based study, conducted with 2,694 adolescents. The self-reported variable for outcome was physical inactivity. Factors associated with inactive behavior were verified by multiple logistic regression. The independent variables were inserted into the model in hierarchical blocks.Results: The overall prevalence of inactive behavior was 39.5%. Females showed a higher prevalence of physical inactivity (46.2%) than males (31.4%). Adolescents in private schools and with reports of negative health perception had a high prevalence of physical inactivity. Regarding associated factors, the female sex showed a magnitude of association of 1.84 with physical inactivity. Being in a private school was associated with a 2.54 times greater chance of physical inactivity compared to public school students. Going to school by bus, car or motorcycle was associated with a 1.29 and 1.63 higher chance of physical inactivity respectively. Adolescents who reported having a negative health perception had 1.29 higher chance of physical inactivity, while having excess body fat showed magnitude of association of 1.36 in adolescents.Conclusions: There was a high prevalence of physical inactivity in the studied adolescents. Considering that the behavior of physical inactivity adopted during adolescence may continue in adulthood, the promotion of actions that can change this behavior may improve health in the future as well as quality of life.
Highlights
Physical inactivity in adolescence is a global public health problem and is one of the main risk factors for cardiovascular and metabolic diseases.[1,2] scientific temporal trends indicate that physical inactivity in adolescents is increasing in developed countries.[3]
Studies corroborating the present study revealed that adolescents from private schools show greater magnitude of physical inactivity when compared with adolescents in public schools.[6,7]
Adolescents enrolled in private schools and who reported negative health perceptions showed a high prevalence of iphysical nactivity (Table 1)
Summary
Physical inactivity in adolescence is a global public health problem and is one of the main risk factors for cardiovascular and metabolic diseases.[1,2] scientific temporal trends indicate that physical inactivity in adolescents is increasing in developed countries.[3]. Several studies on the variables associated with physical inactivity in adolescents have been published in several Brazilian locations,[6,7] such factors identified in one locality may be irrelevant in another region. It is necessary to understand the dynamics of these factors in the regional contexts for the effective implementation of prevention and control actions. Previous research has revealed a high prevalence of physical inacivity in adolescents in Porto Velho, RO, Brazil,[8,9] there is limited updated information on physical inactivity in adolescents in this city. The objective of this study was to identify the prevalence of physical inactivity in adolescent students in the city of Porto Velho, southeast of the Brazilian Amazon, and its associated factors associated
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